class Life:
    def __init__(self):
        self.happiness = 0
        self.challenges = [1, 2, 3, 4, 5]

    def face_challenge(self, challenge):
        if challenge % 2 == 0:
            self.happiness += challenge
        else:
            self.happiness -= challenge

    def search_for_happiness(self):
        for challenge in self.challenges:
            self.face_challenge(challenge)
            if self.happiness >= 10:
                return True
        return False

my_life = Life()
if my_life.search_for_happiness():
    print("我找到了快乐")
else:
    print("我在寻找中孤独")